I have 30 years of experience, and specialize in the field of family medicine and sports medicine with specific knowledge in the areas of concussion, academic primary care and health care reform. I have published on such topics as concussion, overuse syndromes and pediatric sports injury. I have testified 15 times on topics such as sports medicine, concussion and family medicine. I am a former chair of family medicine at a university, founder of a sports medicine journal, author of 3 textbooks on sports medicine, editor and senior associate editor of 7 medical journals, director of sports medicine and consultant for numerous organizations.